Features

● Wide voltage supply range 

   – 5 V to 26 V (operating range)

   – 30 V (absolute maximum rating) 

● 3 power output configurations

   – 2 channels of ternary PWM (stereo mode) (2 x 20 W into 8 Ω at 18 V)

   – 3 channels - left, right using binary and LFE using ternary PWM (2.1 mode) (2 x 9 W + 1 x 20 W into 2 x 4Ω, 1 x 8 Ω at 18 V)

   – 2 channels of ternary PWM (2 x 20 W) + stereo lineout ternary

● 2.1 channels of 24-bit FFX® 100 dB SNR and dynamic range

● Selectable 32 to 192 kHz input sample rates 

● I2C control with selectable device address

● Digital gain/attenuation +48 dB to -80 dB with 0.5 dB/step resolution

● Soft volume update with programmable ratio

● Individual channel and master gain/attenuation

● Two independent DRC configurable as a dual-band anti-clipper (B2DRC) or as independent limiters/compressors 

● EQ-DRC for DRC based on filtered signals

● Dedicated LFE processing for bass boosting with 0.5 dB/step resolution

● Audio presets:

  – 15 preset crossover filters

  – 5 preset anti-clipping modes

  – Preset night-time listening mode

● Individual channel and master soft/hard mute

● Independent channel volume and DSP bypass

● Automatic zero-detect mute

● Automatic invalid input-detect mute

● 2-channel I2S input data interface

● Input and output channel mapping

● Up to 8 user-programmable biquads per channel with 28-bit resolution

● 3 coefficient banks for EQ presets storing with fast recall via I2C interface

● Bass/treble tones and de-emphasis control

● Selectable high-pass filter for DC blocking

● Advanced AM interference frequency switching and noise suppression modes

● Selectable high- or low-bandwidth noise-shaping topologies

● Variable max power correction for lower full-power THD

● Selectable clock input ratio

● 96 kHz internal processing sample rate, 24 to 28-bit precision

● Thermal overload and short-circuit protection embedded

● Video apps: 576 * fS input mode supported

● Fully compatible with STA339BWS.